Part number 21104 appears under 16 stock numbers

Manufacturers reuse part numbers across items. Each stock number below is its own federal item record — pick the one your drawing or solicitation cites.

5120-01-335-1408 — PUNCH,DRIVE PIN · FSC 5120
4820-00-529-5494 — VALVE,SAFETY RELIEF · FSC 4820
5355-01-364-8643 — KNOB · FSC 5355
4730-01-417-9444 — RESTRICTOR,FLUID FLOW · FSC 4730
4320-01-304-3698 — ARM,HANGER,PUMP · FSC 4320
6525-01-501-0266 — ILLUMINATOR,X-RAY FILM · FSC 6525
4820-01-419-2637 — PISTON,VALVE · FSC 4820
4810-01-419-2635 — PISTON,VALVE · FSC 4810
4810-01-419-2633 — PISTON,VALVE · FSC 4810
1660-00-656-7125 — CONVERTER,LIQUID OXYGEN · FSC 1660
5935-01-738-7106 — CONNECTOR,PLUG,ELECTRICAL · FSC 5935
6550-01-547-0106 — TEST KIT,POTASSIUM AND SODIUM DE · FSC 6550
2995-00-432-5778 — SPACER,THROTTLE BO · FSC 2995
5950-00-856-0683 — FILTER · FSC 5950
7530-01-475-7108 — CASE,BOOK APPOINTMENT · FSC 7530
5310-00-095-3570 — NUT,PLAIN,ROUND · FSC 5310